
#include <limits>// I found some compiles(like gcc 2.9) cannot find the file,
                 // but gcc 4.3 can
#include <iostream>// After including this file , For standard we must specify
// the namespace std to use cout . but for some compilers , this step is not necessary

//When i write my own strcpy and do the declaration , but some compilers will still use the system.
//sting.h will be included by default behaviour.
int main()
{
}
